Electrical System Problems of Mercedes Benz E320

Mercedes Benz E320 owners have reported 101 electrical system related problems since 1996. Table 1 shows the 17 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (46 problems). The second most common problem is related to the vehicle's wiring (23 problems). For details of each of the problem category, use the links in the table.


Recently reported Electrical System problems of Mercedes Benz E320

The Electrical System problem

The sunroof has a recall due to the fact that it has a bad seal, which could fly off due to this issue. I know the seal is bad because the whole roof leaked a few years ago and fried all the electronic; e. G. Lights, sunroof controls, trunk light controls, side door controls.   Read details...

The Wiring problem

Engine wiring harness insulation falling off - copper wires exposed and may result in short and engine failure at highway speeds - could result in injury or death   Read details...

The Crankshaft Position Sensor problem

Bought used one owner car w/88,500 miles in July 2015. After driving only 200 miles check engine light came on, engine would turn over but not start, it was towed to repair shop. Codes read crankshaft sensor, generator. Mechanic replaced crankshaft sensor and repaired wire to it.   Read details...

The Battery problem

I have a Mercedes Benz 2003 E320, battery drain every 6 hrs. Bought new battery still battery drains   Read details...

The Trunk Wiring problem

Water gets in the trunk somehow and causes faulty wuthering sam boxes. . Creating electrical fire hazzard. . Can't seem to figure out how water gets in trunk and settles where spare tire sits near battery and electronic wiring   Read details...




E320 Service Bulletins
E320 Defect Investigations